231217076 has 6 divisors (see below), whose sum is σ = 404629890. Its totient is φ = 115608536.

The previous prime is 231217073. The next prime is 231217079. The reversal of 231217076 is 670712132.

231217076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231217073) and next prime (231217079).

It can be written as a sum of positive squares in only one way, i.e., 194323600 + 36893476 = 13940^2 + 6074^2 .

It is a super-2 number, since 2×231217076² = 106922672467979552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231217073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28902131 + ... + 28902138.

It is an arithmetic number, because the mean of its divisors is an integer number (67438315).

Almost surely, 2^231217076 is an apocalyptic number.

It is an amenable number.

231217076 is a deficient number, since it is larger than the sum of its proper divisors (173412814).

231217076 is a wasteful number, since it uses less digits than its factorization.

231217076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57804273 (or 57804271 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 231217076 is about 15205.8237527600. The cubic root of 231217076 is about 613.7713819577.

The spelling of 231217076 in words is "two hundred thirty-one million, two hundred seventeen thousand, seventy-six".